Home / 40,138.46-55,376.82-23,994.54

Finding the Fourth Proportional to 40,138.46, 55,376.82 and 23,994.54

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Solution

The fourth proportional to 40,138.46, 55,376.82 and 23,994.54 is: 33,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138.46 : 55,376.82 = 23,994.54 : x
  2. Step 2: Convert to fraction form
    40,138.46/55,376.82 = 23,994.54/x
  3. Step 3: Cross multiply
    40,138.46x = 55,376.82 × 23,994.54
  4. Step 4: Simplify right side
    40,138.46x = 1,328,741,322.56
  5. Step 5: Solve for x
    x = 1,328,741,322.56/40,138.46
  6. Step 6: Final answer
    x = 33,103.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.